//以下为修改jQuery Validation插件兼容Bootstrap的方法，没有直接写在插件中是为了便于插件升级
$.validator.setDefaults({
    highlight: function (element) {
        $(element).closest('.form-group').removeClass('has-success').addClass('has-error');
    },
    success: function (element) {
        element.closest('.form-group').removeClass('has-error').addClass('has-success');
    },
    errorElement: "span",
    errorPlacement: function (error, element) {
        if (element.is(":radio") || element.is(":checkbox")) {
            error.appendTo(element.parent().parent().parent());
        } else {
            error.appendTo(element.parent());
        }
    },
    errorClass: "help-block m-b-none",
    validClass: "help-block m-b-none"


});

//以下为官方示例
/*  $().ready(function () {
      // validate the comment form when it is submitted
      $("#commentForm").validate();

      // validate signup form on keyup and submit
      var icon = "<i class='fa fa-times-circle'></i> ";
      $("#signupForm").validate({
          rules: {
              firstname: "required",
              lastname: "required",
              username: {
                  required: true,
                  minlength: 2
              },
              password: {
                  required: true,
                  minlength: 5
              },
              confirm_password: {
                  required: true,
                  minlength: 5,
                  equalTo: "#password"
              },
              email: {
                  required: true,
                  email: true
              },
              topic: {
                  required: "#newsletter:checked",
                  minlength: 2
              },
              agree: "required"
          },
          messages: {
              firstname: icon + "请输入你的姓",
              lastname: icon + "请输入您的名字",
              username: {
                  required: icon + "请输入您的用户名",
                  minlength: icon + "用户名必须两个字符以上"
              },
              password: {
                  required: icon + "请输入您的密码",
                  minlength: icon + "密码必须5个字符以上"
              },
              confirm_password: {
                  required: icon + "请再次输入密码",
                  minlength: icon + "密码必须5个字符以上",
                  equalTo: icon + "两次输入的密码不一致"
              },
              email: icon + "请输入您的E-mail",
              agree: {
                  required: icon + "必须同意协议后才能注册",
                  element: '#agree-error'
              }
          }
      });

      // propose username by combining first- and lastname
      $("#username").focus(function () {
          var firstname = $("#firstname").val();
          var lastname = $("#lastname").val();
          if (firstname && lastname && !this.value) {
              this.value = firstname + "." + lastname;
          }
      });
  });*/
